647951460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:394

約数の個数: 192

約数和(自身を含む): 2042363904

約数和(自身を除く): 1394412444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 127, 130, 155, 156, 186, 195, 211, 254, 260, 310, 372, 381, 390, 403, 422, 465, 508, 620, 633, 635, 762, 780, 806, 844, 930, 1055, 1209, 1266, 1270, 1524, 1612, 1651, 1860, 1905, 2015, 2110, 2418, 2532, 2540, 2743, 3165, 3302, 3810, 3937, 4030, 4220, 4836, 4953, 5486, 6045, 6330, 6541, 6604, 7620, 7874, 8060, 8229, 8255, 9906, 10972, 11811, 12090, 12660, 13082, 13715, 15748, 16458, 16510, 19623, 19685, 19812, 23622, 24180, 24765, 26164, 26797, 27430, 32705, 32916, 33020, 39246, 39370, 41145, 47244, 49530, 51181, 53594, 54860, 59055, 65410, 78492, 78740, 80391, 82290, 85033, 98115, 99060, 102362, 107188, 118110, 130820, 133985, 153543, 160782, 164580, 170066, 196230, 204724, 236220, 255099, 255905, 267970, 307086, 321564, 340132, 348361, 392460, 401955, 425165, 510198, 511810, 535940, 614172, 696722, 767715, 803910, 830707, 850330, 1020396, 1023620, 1045083, 1275495, 1393444, 1535430, 1607820, 1661414, 1700660, 1741805, 2090166, 2492121, 2550990, 3070860, 3322828, 3483610, 4153535, 4180332, 4984242, 5101980, 5225415, 6967220, 8307070, 9968484, 10450830, 10799191, 12460605, 16614140, 20901660, 21598382, 24921210, 32397573, 43196764, 49842420, 53995955, 64795146, 107991910, 129590292, 161987865, 215983820, 323975730, 647951460]

約数ペア:

[(1, 647951460), (2, 323975730), (3, 215983820), (4, 161987865), (5, 129590292), (6, 107991910), (10, 64795146), (12, 53995955), (13, 49842420), (15, 43196764), (20, 32397573), (26, 24921210), (30, 21598382), (31, 20901660), (39, 16614140), (52, 12460605), (60, 10799191), (62, 10450830), (65, 9968484), (78, 8307070), (93, 6967220), (124, 5225415), (127, 5101980), (130, 4984242), (155, 4180332), (156, 4153535), (186, 3483610), (195, 3322828), (211, 3070860), (254, 2550990), (260, 2492121), (310, 2090166), (372, 1741805), (381, 1700660), (390, 1661414), (403, 1607820), (422, 1535430), (465, 1393444), (508, 1275495), (620, 1045083), (633, 1023620), (635, 1020396), (762, 850330), (780, 830707), (806, 803910), (844, 767715), (930, 696722), (1055, 614172), (1209, 535940), (1266, 511810), (1270, 510198), (1524, 425165), (1612, 401955), (1651, 392460), (1860, 348361), (1905, 340132), (2015, 321564), (2110, 307086), (2418, 267970), (2532, 255905), (2540, 255099), (2743, 236220), (3165, 204724), (3302, 196230), (3810, 170066), (3937, 164580), (4030, 160782), (4220, 153543), (4836, 133985), (4953, 130820), (5486, 118110), (6045, 107188), (6330, 102362), (6541, 99060), (6604, 98115), (7620, 85033), (7874, 82290), (8060, 80391), (8229, 78740), (8255, 78492), (9906, 65410), (10972, 59055), (11811, 54860), (12090, 53594), (12660, 51181), (13082, 49530), (13715, 47244), (15748, 41145), (16458, 39370), (16510, 39246), (19623, 33020), (19685, 32916), (19812, 32705), (23622, 27430), (24180, 26797), (24765, 26164)]